How Chilli Feels About Son Tron’s Approval of Boyfriend Matthew Lawrence (Exclusive)

Chilli and T-Boz of TLC chat with ET's Denny Directo at the live finale of 'American Idol,' which aired Sunday on ABC. The stars open up about performing during the big show and share what fans can expect from their upcoming documentary, 'TLC Forever.' Plus, Chilli gets real about what it means to her to have son Tron's approval of her boyfriend, Matthew Lawrence.